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130:[7+6*3+(2*a+32:4)]+6=8


Răspuns :

130:[7+18+(2a+8)]+6=8 130:[25+(2a+8)]+6=8 130:[25+(2a+8)]=8-6 130:[25+(2a+8)]=2 25+(2a+8)=130:2 25+(2a+8)=65 2a+8=65-25 2a+8=40 2a=40-8 2a=32 a=32:2 a=16